JPH11350814A - Door lock device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify a connection structure of a rotary lever and a key lever. SOLUTION: This door lock device for vehicle is provided with a base plate 2 provided with a horizontal wall 21 on which a door lock body 31 is fixed and a vertical wall 22 erected vertically for the horizontal wall 21, a rotary lever 49 supported rotatably on the vertical wall 22 of the base plate 2, and a key lever 47 supported on a housing 66 of an actuator 6 attached to the vertical wall 22 so as to turn freely. It also consists of a connection lever 48 whose one end is connected with the rotary lever 49 by turning relatively for the rotary lever 49, whose other end is connected with the key lever 47 by turning relatively for the key lever 47, and which is arranged substantially in parallel with and in close proximity to the vertical wall 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door lock device.

[0002]

2. Description of the Related Art Conventionally, as this kind of vehicle door lock device, one disclosed in Japanese Patent Application Laid-Open No. 10-37559 is known. This includes a base plate having a horizontal wall to which the door lock body is fixed and a vertical wall erected substantially perpendicularly to the horizontal wall, a rotation lever rotatably supported on the vertical wall of the base plate, and a vertical wall. A key lever rotatably supported by a housing of an actuator attached to the actuator, and a connecting link connecting the rotating lever and the key lever, wherein the rotating link is rotated to move the connecting link linearly. Then, the key lever is rotated by the linear movement of the connecting lever.

The connecting link is connected to the rotating lever by inserting one end thereof into a locking hole of the rotating lever, whereby the connecting link is connected to the rotating lever, and the other end of the connecting link is different from the key lever. Is connected to the pivoting lever by being inserted into the locking hole formed in the key lever, thereby being connected to the key lever via the pivoting lever.

[0004]

However, in the above-mentioned conventional apparatus, a rotating lever is required separately from the key lever to connect the connecting link and the key lever, so that the number of parts is large, and the connecting link has a large number of parts. Since the one end and the other end are connected to the rotating lever and the rotating lever by insertion, there is a possibility of falling off.
It is necessary to prevent the ring or the like from coming off, and as a result, the assembling work becomes complicated.

Therefore, an object of the present invention is to simplify the connection structure between the rotary lever and the key lever.

[0006]

The technical measures taken in the present invention to solve the above-mentioned technical problems include a horizontal wall to which a door lock body is fixed, and an erect vertical wall with respect to the horizontal wall. A base plate having a vertical wall, a rotation lever rotatably supported on the vertical wall of the base plate, a key lever rotatably supported on a housing of an actuator mounted on the vertical wall, and one end of the rotation lever A connecting lever, which is connected to the key lever by relative rotation and the other end is connected to the key lever by relative rotation to the key lever, and is disposed substantially parallel to the vertical wall. And that

According to this technical means, the connecting lever is
The key lever and the rotary lever can be directly fitted and coupled. As a result, the number of parts can be reduced, and a reliable connection without a risk of falling off can be achieved. Therefore, the connection structure between the rotating lever and the key lever can be simplified.

[0008] More preferably, the key lever and the output lever of the actuator are connected so that the key lever can be rotated relative to the output lever in one direction and integrally rotated in the other direction.

[0009] More preferably, said fitting shaft formed on said key lever and fitted with the other end of said connecting lever, and said fitting shaft formed on said key lever with the other end of said connecting lever disengaged from said fitting shaft. It is good to have an elastic deformation part which can be engaged and engaged with the other end of the key lever.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a vehicle door lock device 1 is disposed in a vehicle door 8, and as shown in FIGS. 2 and 3, a base plate 2, a latch mechanism. 3, a lever mechanism 4 and a locking actuator 6.

The base plate 2 has an L-shape, and the front and back surfaces thereof are directed in the vehicle interior / outside direction of the vehicle door 8 (left and right in FIG. 2) with the vehicle door lock device 1 mounted inside the vehicle door 8. Direction) and the vertical wall 2 extending from the inner side edge (right end in FIG. 2) of the horizontal wall 21 in the vehicle interior.
2 is provided.

As shown in FIG. 4, the latch mechanism 3
It comprises a body 31, a pole 32 and a latch 33. The body 31 is fixed to the back surface of the horizontal wall 21 of the base plate 2 and accommodates the pawl 32 and the latch 33. In addition, the body 31 has an insertion groove 3 opened into the vehicle compartment for a striker 34 provided on a body (not shown) of the vehicle to enter and exit according to the opening and closing operation of the vehicle door 8.
1a is formed. The pole 32 and the latch 33
The body 31 is rotatably supported by the pins 32a and 33a, respectively. On the outer peripheral surface of the latch 33, a U-shaped groove 33b for receiving the striker 34 that has entered the insertion groove 31a of the body 31 and an engagement claw 33c capable of engaging and disengaging with the pawl 32 are formed. The pawl 32 engages with the engaging claw 33c of the latch 33 by its rotating operation. The pole 32 and the latch 3 thus configured
3, the striker 34 is connected to the U-shaped groove 33 of the latch 33.
The pawl 32 and the engaging claw 33c of the latch 33 are engaged with each other in the state where the pawl 32 is received, and the rotation of the latch 33 is regulated by the pawl 32, thereby holding the vehicle door 8 in the closed state. In addition, the vehicle door 8 can be opened by rotating the pawl 32 to release the engagement of the latch 33 with the engagement claw 33c.

As shown in FIG. 2, the lever mechanism 4 includes
Lift lever 41, open lever 42, locking lever 43, cancel lever 44, slide bush 4
5 mainly.

The lift lever 41 is disposed on the surface of the horizontal wall 21 of the base plate 2, and is rotatably supported by a pin 32a for supporting the pawl 32 of the latch mechanism 3. The lift lever 41 has one arm portion 41a.
Is fitted to the pawl 32 by the fitting flange portion formed at the bottom, and rotates integrally with the pawl 32. Further, engagement flanges are formed on one and the other arm portions 41a and 41b of the lift lever 41, respectively.

The open lever 42 is connected to the lift lever 41
In the same manner as described above, it is arranged on the horizontal wall 21 and rotatably supported by the pin 32a. The open lever 42 is connected to an outside handle 81 (shown in FIG. 1) provided on the outside of the vehicle door 8 via an open rod (not shown) at one arm portion 42a. The open lever 42 has a leg portion 42b extending therefrom. The cable 84 and the inside lever 46 are connected to an inside handle 83 (shown in FIG. 1) provided on the indoor side of the vehicle door 8 with the leg portion 42b. Are connected via The inside lever 46 is rotatably supported on the vertical wall 22 of the base plate 2 by a pin 46a. Further, a pin portion 42c is formed on the open lever 42.

The locking lever 43 is disposed on the surface of the horizontal wall 21 and is rotatably supported on the horizontal wall 21 by pins 43a. The locking lever 43 is provided with a lock knob (not shown) provided on the indoor side of the vehicle door 8.
A key provided outside the vehicle door 8 via a cable 86 and an output lever 61 of a locking actuator 6 described later, and a key lever 47, a connecting lever 48, a rotating lever 49, and a connecting rod 50 described later. It is connected to a cylinder mechanism 85 (shown in FIG. 1).
The locking lever 43 has an arc-shaped long hole 43b centered on the pin 32a.

The slide bush 45 is slidably supported by the other arm 42d of the open lever 42. The slide bush 45 is slidably inserted into the long hole 43a of the locking lever 43 by a pin portion 45a, and is engaged with the engagement flange of the other arm portion 41b of the lift lever 41 by the rotation of the open lever 42. It is removable. The slide bush 45 configured as described above allows the long hole 43
b through the pin portion 45a and the open lever 42
Is slid with respect to the other arm portion 42d of
As a result, the lift lever 41 is positioned on the locus of engagement with the engaging flange of the other arm portion 41b of the lift lever 41, or is displaced from the locus of engagement. As a result, a locked state and an unlocked state of the door 8 are created. The locking lever 43 is urged by a turnover spring 51 disposed between the locking lever 43 and the base plate 2 to maintain the locked state and the unlocked state.

The cancel lever 44 is swingably fitted and supported on the locking lever 43 by a key-shaped pin portion 44a integrally formed with the cancel lever 44.
A long hole 44 is provided at the free end of the cancel lever 44.
b is formed, and the pin portion 42 of the open lever 42 is formed.
c is slidably inserted. The free end portion of the cancel lever 43 is rotated integrally with the pawl 32 of the lift lever 41 by one of the arm portions 41 of the lift lever 41.
The engagement projection 44c which can be disengaged from the engagement flange of FIG.
4b. The cancel lever 44 thus configured is swung with respect to the locking lever 43 by the turning operation of the open lever 42, whereby the engagement protrusion 44 c is engaged with the one arm portion 41 a of the lift lever 41. It is located on the locus of engagement with the mating flange or deviates from the locus of engagement. As a result, the locking operation according to the turning operation of the open lever 42, the so-called keyless entry operation, and the canceling of the locking operation are performed. That is, the door lock device 1 includes the cancel lever 4
4 has a keyless entry mechanism.

The locking actuator 6 has a motor (not shown) as a driving source housed in a housing 64, and is fixed to a vertical wall 22 of the base plate 2 via a bracket 63. The bracket 63 supports tubes 84a and 86a that support cables 84 and 86. As shown in FIGS. 3 and 5, an output shaft 65 (shown in FIG. 3) connected to a motor as a drive source via a reduction gear structure (not shown) and rotated by the operation of the motor is provided outside the housing 64. The output lever 61 is fixed to the tip of the output lever 61 so as to rotate integrally. The output lever 61 is disposed substantially perpendicular to the locking lever 43, and its lower end projection 61 a is fitted into the locking lever 43. Thus, the locking lever 43 is rotated to slide the slide bush 45 by the rotation of the output lever 61. A key switch (not shown) is provided in the locking actuator 6.
The detection shaft 66 (shown in FIG. 3) extends out of the housing 64, and is fixed to a tip of the detection shaft 66 so that the key lever 47 rotates integrally. This key lever 47
The rotation of the output lever 61 is substantially parallel to the vertical wall 22 of the base plate 2, and a recess 47 a is formed on the back surface of the key lever 47.
The output lever 61 is accommodated in the recess 47a in an overlapping manner on the output lever 61. The output lever 61 is formed with an arc-shaped long hole 61b around the rotation center of the key lever 47, that is, the detection shaft 62. The key lever 47 has a projection 47b inserted into the long hole 61b. Is formed. As a result, the turning operation of the key lever 47 is transmitted to the output lever 61, and the output lever 61 turns by the turning operation of the key lever 47.
The turning operation 1 has a so-called lost motion function in which the turning operation of the output lever 61 is not transmitted to the key lever 47 only because the projection 47b moves within the elongated hole 61b.

As shown in FIGS. 3 and 6, the rotation lever 49 is rotatably supported by a bracket 51 fixed to the vertical wall 22 of the base plate 2. The rotary lever 49 integrally includes a cylindrical portion 49a and an arm portion 49b extending from the cylindrical portion. Column part 49a
As shown in FIG. 6, is disposed coaxially with the key cylinder mechanism of the vehicle door 8, and a snap pin portion 49c is integrally formed on the back end surface thereof. Bracket 51
Is formed with a flanged through-hole 51a, and the rotary lever 49 is provided with a snap-pin portion 49c.
The bracket 51 is rotatably supported by the bracket 51 by being inserted into and engaged with the bracket 51. A fitting claw portion 49d is formed integrally with the front end surface of the cylindrical portion 49a.

The connecting rod 50 is coaxially arranged between the key cylinder mechanism and the rotary lever 49 and orthogonal to the vertical wall 22 of the base plate. One end of the connecting rod 50 is integrally rotated with the rotary output member 85 a of the key cylinder mechanism 85. The other end is fitted to the fitting claw portion 49 d and is fixed to the rotating lever 49 so as to rotate integrally therewith. The other end of the connecting rod 50 is fitted and held by the fitting claw portion 49d so as to rotate integrally. Thus, the rotation of the rotation output member 85a of the key cylinder mechanism 85 is controlled by the connection rod 5
0 is rotated integrally, and the rotation of the connecting rod 50 causes the rotation lever 49 to rotate integrally.

As shown in FIGS. 5, 6, 8 and 9, the connecting lever 48 is connected to the vertical wall 22 of the base plate 2.
And in the vicinity of the vertical wall 22. A key-shaped through hole 48a is formed at one end of the connecting lever 48, and a cutout opening 48b is formed at the other end. A key-shaped shaft portion 49e is formed at the tip of the arm portion 49b of the rotary lever 49, and a fitting shaft portion 47c is formed on the surface of the key lever 47. An inclined flange 47d is formed on the surface of the key lever 47 near the fitting shaft 47c. The connecting lever 48 thus configured is inserted into the key-shaped through-hole 48a with the key-shaped through-hole 48a and the key-shaped shaft 49e aligned with each other, and the connecting lever 48 is inserted into the key-shaped through-hole 48a. By rotating about the shaft portion 49e, the notch opening 48b
Over the inclined surface of the inclined flange portion 47d.
c. At this time, the rotation of the connecting lever 48 causes the key-shaped shaft portion 48b and the key-shaped through hole 49e to be out of alignment, and the key-shaped through hole 49e is prevented from coming off with respect to the key-shaped shaft portion 48b. Further, the end face of the inclined flange portion 47d and the opposing surface of the notch opening 48b come into engagement with each other, so that the notch opening 48b is prevented from coming off with respect to the fitting shaft portion 47c. As a result, one end of the connecting lever 48 is connected to the rotating lever 49 and the other end is connected to the key lever 47, and the rotating lever 49 and the key lever 47 are connected via the connecting lever 48. The key lever 47 is rotated by linearly moving the key 48.

Next, the operation will be described.

FIG. 2 shows the unlocked state of the vehicle door 8. In this state, when the outside handle 6 is operated, the open lever 42 is moved via the open rod as shown in FIG.
2 is rotated counterclockwise in FIG. 2 by a predetermined angle. When the open lever 42 rotates, the engagement protrusion of the slide bush 45 engages with the engagement flange of the other arm portion 41b of the lift lever 41, and the lift lever 41 rotates in the same direction as the open lever 42. As a result, the pole 32 is rotated and the vehicle door 8 is closed.
Becomes openable. When the inside handle 5 is operated, the open lever 42 is rotated by a predetermined angle from the initial position shown in FIG. 2 counterclockwise as shown in FIG. 2 via the cable 84 and the inside lever 46. When the open lever 42 rotates, the engagement protrusion of the slide bush 45 engages with the engagement flange of the other arm portion 41 b of the lift lever 41, and the lift lever 41 is moved to the open lever 4.
It rotates in the same direction as 2. As a result, the pole 32 rotates and the vehicle door 8 in the closed state becomes openable.

In FIG. 2, when the lock knob is operated,
The output lever 61 rotates via the cable 84.
At this time, the key lever 47 does not rotate due to the lost motion function described above. This output lever 61
The rocking lever 43 is rotated via the lower end protrusion 61 a by the turning operation of, and the slide bush 45 is slid with respect to the open lever 42. As a result, the engagement projection of the slide bush 45 is disengaged from the engagement locus when the open lever 42 with the engagement flange 4 of the other arm portion 41b of the lift lever 41 is rotated, and the open lever 42 and the lift The lever 41 is in an idle swing state. As a result, the vehicle door 8 in the unlocked state is locked.

In FIG. 2, when the key cylinder mechanism 85 is operated, the rotary lever 49 rotates via the connecting rod 50, and the rotation of the rotary lever 49 causes the connecting rod 48 to rotate.
, The key lever 47 is rotated. At this time, the rotation operation of the key lever 47 is transmitted to the output lever 61 by the above-described lost motion function, and the output lever 61 rotates. By the turning operation of the output lever 61, the locking lever 43 is turned via the lower end projection 61a, and the slide bush 45 is slid with respect to the open lever 42. As a result, the engagement protrusion of the slide bush 45 is connected to the other arm portion 41 of the lift lever 41.
The open lever 42 and the lift lever 41 are displaced from the engagement locus when the open lever 42 with the engagement flange 4 of FIG. As a result, the vehicle door 8 in the unlocked state is locked.

[0027]

According to the present invention, since the connecting lever is rotated and directly connected to the key lever and the rotating lever for connection, the number of parts can be reduced and the connection can be surely prevented without falling off. Can be achieved. This allows
The connection structure between the rotary lever and the key lever can be simplified.

[Brief description of the drawings]

FIG. 1 is a front view of a vehicle door equipped with a vehicle door lock device according to the present invention.

FIG. 2 is a front view of the vehicle door lock device according to the present invention.

FIG. 3 is a side view of the vehicle door lock device according to the present invention.

FIG. 4 is a front view of a latch mechanism of the vehicle door lock device according to the present invention.

FIG. 5 is a sectional view taken along line AA of FIG. 3;

FIG. 6 is a sectional view taken along line BB of FIG. 3;

FIG. 7 is a perspective view showing a connection structure of a rotation lever of the vehicle door lock device according to the present invention.

FIG. 8 is a perspective view showing a connection structure of a connection lever, a rotation lever, and a key lever of the vehicle door lock device according to the present invention.

FIG. 9 is a perspective view showing an assembled state of FIG. 8;

[Explanation of symbols]

 2 Base Plate 6 Actuator 21 Horizontal Wall 22 Vertical Wall 31 Door Lock Body 47 Key Lever 48 Connecting Lever 49 Rotating Lever 61 Output Lever 64 Housing 47c Fitting Shaft 47d Incline Shaft (Elastic Deformation)

Claims (3)

[Claims] 1. A base plate having a horizontal wall to which a door lock body is fixed and a vertical wall erected substantially perpendicularly to the horizontal wall, and a rotation lever rotatably supported by the vertical wall of the base plate. A key lever rotatably supported by an actuator housing mounted on the vertical wall, one end of the key lever being rotatably connected to the rotary lever relative to the rotary lever, and the other end being connected to the key lever by the key lever And a connection lever which is coupled by being relatively rotated with respect to the vertical wall and is disposed substantially parallel to and close to the vertical wall. 2. The vehicle according to claim 1, wherein the key lever and an output lever of the actuator are connected so that the key lever can be relatively rotated with respect to the output lever in one direction and integrally with the output lever. Door lock device. 3. A fitting shaft portion formed on the key lever to which the other end of the connecting lever fits, and a key shaft formed on the key lever in a direction in which the other end of the connecting lever is disengaged from the fitting shaft portion. The vehicle door lock device according to claim 1, further comprising an elastically deformable portion capable of engaging with the other end.